gecko-dev/accessible/ipc/ProxyAccessible.cpp

86 строки
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "ProxyAccessible.h"
#include "DocAccessibleParent.h"
#include "mozilla/unused.h"
#include "mozilla/a11y/Platform.h"
namespace mozilla {
namespace a11y {
void
ProxyAccessible::Shutdown()
{
NS_ASSERTION(!mOuterDoc, "Why do we still have a child doc?");
// XXX Ideally this wouldn't be necessary, but it seems OuterDoc accessibles
// can be destroyed before the doc they own.
if (!mOuterDoc) {
uint32_t childCount = mChildren.Length();
for (uint32_t idx = 0; idx < childCount; idx++)
mChildren[idx]->Shutdown();
} else {
if (mChildren.Length() != 1)
MOZ_CRASH("outer doc doesn't own adoc!");
static_cast<DocAccessibleParent*>(mChildren[0])->Destroy();
}
mChildren.Clear();
ProxyDestroyed(this);
mDoc->RemoveAccessible(this);
}
void
ProxyAccessible::SetChildDoc(DocAccessibleParent* aParent)
{
if (aParent) {
MOZ_ASSERT(mChildren.IsEmpty());
mChildren.AppendElement(aParent);
mOuterDoc = true;
} else {
MOZ_ASSERT(mChildren.Length() == 1);
mChildren.Clear();
mOuterDoc = false;
}
}
uint64_t
ProxyAccessible::State() const
{
uint64_t state = 0;
unused << mDoc->SendState(mID, &state);
return state;
}
void
ProxyAccessible::Name(nsString& aName) const
{
unused << mDoc->SendName(mID, &aName);
}
void
ProxyAccessible::Description(nsString& aDesc) const
{
unused << mDoc->SendDescription(mID, &aDesc);
}
void
ProxyAccessible::Attributes(nsTArray<Attribute> *aAttrs) const
{
unused << mDoc->SendAttributes(mID, aAttrs);
}
void
ProxyAccessible::TextSubstring(int32_t aStartOffset, int32_t aEndOfset,
nsString& aText) const
{
unused << mDoc->SendTextSubstring(mID, aStartOffset, aEndOfset, &aText);
}
}
}